CN205797980U - A kind of urban garbage treatment system - Google Patents

Abstract

The utility model discloses an urban garbage treatment system, which comprises a garbage storage bin. A screw conveyor is arranged at the lower part of the garbage storage bin. The discharge end of the screw conveyor is connected with a belt conveyor. Impurity detection mechanism, the end of the belt conveyor is connected to a garbage crushing station, the garbage crushed by the garbage crushing station enters the belt scale, the lower part of the belt scale is connected to the dryer, and the garbage dried by the dryer enters the drying bin, and the lower part of the drying bin is set There is a quantitative screw conveyor, which is connected to the pyrolyzer, and the garbage pyrolyzed by the pyrolyzer is put into the garbage collection box. The urban garbage treatment system realizes the harmless treatment and recycling of urban garbage. The system is not only simple in structure and easy to operate, reduces the release of harmful substances in urban garbage, but also improves the efficiency of garbage treatment.

Description

A municipal waste treatment system

Technical field:

The utility model relates to the technical field of garbage treatment, in particular to an urban garbage treatment system.

Background technique:

The rapid development of production has improved the living standards of residents, the consumption of commodities has increased rapidly, and the discharge of garbage has also increased. If these garbage is left to its own accord and neglected to manage and deal with it, it will cause public nuisance, destroy the ecological environment, and endanger the environment. to people's health. Municipal waste is a mixture of solid waste in cities, including industrial waste, construction waste and domestic waste.

The municipal solid waste treatment methods widely used at home and abroad mainly include sanitary landfill, high-temperature composting, and incineration. The proportions of these three main waste treatment methods vary due to factors such as geographical environment, waste composition, and economic development level. Due to the complex composition of urban waste and the influence of factors such as economic development level, energy structure, natural conditions and traditional habits, the treatment of urban waste in foreign countries generally varies with national conditions, and often different regions in a country also adopt different treatments. way, it is difficult to have a unified model. Among them, sanitary landfill wastes a lot of land resources, and it is easy to cause pollution to groundwater sources; incineration for power generation can reduce the volume of waste by 50% to 95%, but it is expensive and expensive, and it will release dioxins, mercury, etc. Harmful substances, residual slag and dust are also poisonous and harmful, and a large amount of recyclable resources are burned; the composting cycle is long, and organic and inorganic substances need to be separated before they can be recycled.

Utility model content:

In order to solve the problems existing in the prior art, the utility model provides a municipal garbage treatment system, the purpose of which is to realize the harmless treatment and recycling of municipal garbage. The system is not only simple in structure, easy to operate, and reduces the harmful It also improves the efficiency of waste disposal.

The technical solutions of the present utility model are as follows:

An urban garbage treatment system, comprising a garbage storage bin, which is used to receive garbage transported by garbage transport vehicles, a screw conveyor is arranged at the lower part of the garbage storage bin, a belt conveyor is connected to the discharge end of the screw conveyor, and a belt conveyor is installed on the belt conveyor There is a detection mechanism for detecting and removing metal impurities. The middle part of the belt conveyor is equipped with a metal output mechanism connected to the detection mechanism. The metal output mechanism is equipped with a metal adapter. The crushed garbage in the crushing station enters the belt scale. The lower part of the belt scale is connected to a dryer. The dried garbage enters the drying bin. The lower part of the drying bin is equipped with a quantitative screw conveyor. The quantitative screw conveyor is connected to the pyrolyzer. The conveyor adjusts the amount of garbage entering the pyrolyzer by changing the speed of the driving device. The garbage pyrolyzed by the pyrolyzer is put into the garbage collection box and transported to the brick factory for use as raw materials for building bricks.

The garbage crushing station includes a concrete exterior wall, and a pulverizer is arranged inside the concrete exterior wall. The pulverizer is a drum type pulverizer. One side of the concrete exterior wall is provided with a discharge port for crushed garbage, and the discharge port is connected with a belt scale.

The dryer includes a cylindrical shell, a heating compartment is arranged on the outside of the cylindrical shell, the heating compartment communicates with the heater and the air pump, and a conveying member is arranged in the inner space of the cylindrical shell, and the conveying member includes a rotating shaft and is arranged on the rotating shaft. There is a tooth structure on the top, and one end of the cylindrical shell is provided with a material inlet, and the other end is provided with a material outlet.

The pyrolyzer includes a pyrolysis furnace and a chain plate conveying assembly. The chain plate conveying assembly passes through the pyrolysis furnace. The pyrolysis furnace includes a pyrolysis zone. The lower part of the pyrolysis zone is provided with an isolation zone. The upper chain plate of the conveying assembly passes through the space between the isolation zone and the heating zone. The upper part of the pyrolysis zone is a gas circulation zone. The gas circulation zone includes a first auxiliary air intake channel and a first auxiliary air outlet channel. The auxiliary air intake channel and The auxiliary air outlet channel is located on both sides of the gas circulation area. There is also a main air outlet channel in the middle of the gas flow area. There are also a first auxiliary air outlet channel and a second auxiliary air outlet channel on both sides of the main air outlet channel. The upper chain plate does not enter the heat. One end of the pyrolysis furnace is also provided with a preheating device, and the end of the upper chain plate away from the pyrolysis furnace is also provided with a cooling device. The chain plate conveying assembly includes a chain plate and a telescopic carrier arranged on the chain plate. The telescopic carrier is received on the upper part. Can be retracted into the space of the chain plate under pressure.

The quantitative screw conveyor includes a screw extruder, a feed propeller and a driving device. The screw extruder includes a screw shaft driven by a first frequency conversion motor. There is a sealing plate, and there are discharge holes on the sealing plate. The screw extruder is also provided with a feed port, which is trumpet-shaped. The lower part of the feed port is provided with a feed propeller, which includes the second The second is a feed shaft driven by a frequency conversion motor, on which feed blades are arranged.

The belt scale includes a weighing bracket, a belt, a controller and a pulley. The belt is wound around the pulley. The belt is a rubber belt with ribs. A tension pulley is also arranged between the two pulleys. The weighing bracket is set on the supporting belt. The upper part.

The weighing bracket includes a U-shaped seat, and the U-shaped seat is provided with a first rib, a second rib, a third rib and a fourth rib, and the first side is formed between the first rib and the third rib. The installation part, the second side installation part is formed between the second rib and the fourth rib, the horizontal installation part is formed between the third rib and the fourth rib, the first side installation part and the second side installation Lateral support rollers are installed on the upper part, horizontal support rollers are installed on the horizontal installation part through the rotating shaft, and weight sensors are arranged on the lateral support rollers and the horizontal support rollers.

The beneficial effect of the utility model is that: the urban garbage treatment system realizes the harmless treatment and recycling of urban garbage, the system is not only simple in structure, easy to operate, reduces the release of harmful substances in urban garbage, but also improves the efficiency of garbage treatment .

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of drying pyrolyzer;

Fig. 3 is the structural representation of screw conveyor;

Fig. 4 is the structural representation of belt scale;

Fig. 5 is a structural schematic diagram of a weighing bracket.

detailed description:

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, a kind of urban garbage treatment system comprises a garbage storage bin 1, which is used to receive the garbage transported by the garbage truck, the bottom of the garbage storage bin 1 is provided with a screw conveyor, and the discharge end of the screw conveyor is connected with The belt conveyor 2 is provided with a detection mechanism 4 for detecting and removing metal impurities. The middle part of the belt conveyor 2 is provided with a metal output mechanism 3 connected to the detection mechanism 4. The metal output mechanism 3 is provided with a metal The adapter 6 and the end of the belt conveyor 2 are connected with a garbage crushing station 5, and the garbage crushed by the garbage crushing station 5 enters the belt scale 51, and the lower part of the belt scale is connected with the dryer 7, and the garbage dried by the dryer 7 enters the drying bin 8. The lower part of the drying chamber 8 is provided with a quantitative screw conveyor 9. The quantitative screw conveyor 9 is connected to the pyrolyzer 10. The quantitative screw conveyor 9 adjusts the amount of garbage entering the pyrolyzer 10 by changing the speed of the driving device. The rubbish pyrolyzed by the device 10 is put into the rubbish collection box 11 and transported to the brick factory to be used as raw material for building bricks.

As shown in Figure 1, the rubbish crushing station 5 comprises a concrete exterior wall, and a pulverizer is arranged in the concrete exterior wall, and the pulverizer is a drum type pulverizer, and one side of the concrete exterior wall is provided with a discharge port for crushed garbage, and the discharge port is connected to the Belt scale 51 is connected.

As shown in Figure 1, the drier 7 comprises a cylindrical shell 75, the outer side of the cylindrical shell 75 is provided with a heating interlayer 74, the heating interlayer 74 communicates with the heater and the air pump, and the inner space 73 of the cylindrical shell 75 is provided with Conveyor 72. Conveyor 72 includes a rotating shaft and a toothed structure arranged on the rotating shaft. A material inlet 71 is provided at one end of a cylindrical shell 75, and a material outlet is provided at the other end.

As shown in Figure 2, the pyrolyzer 10 comprises a pyrolysis furnace and a chain plate conveying assembly, and the chain plate conveying assembly passes through the pyrolysis furnace, and the pyrolysis furnace includes a pyrolysis zone 12, and the bottom of the pyrolysis zone 12 is provided with an isolation zone 13, The lower part of the isolation zone 13 is a heating zone, the upper chain plate of the chain conveyor assembly passes through the space between the isolation zone 13 and the heating zone, the upper part of the pyrolysis zone 12 is a gas circulation zone, and the gas circulation zone includes the first auxiliary air intake The channel 111 and the first auxiliary air outlet channel 112, the first auxiliary air intake channel 111 and the second auxiliary air outlet channel 112 are located on both sides of the gas circulation area, and a main air outlet channel 115 is also arranged in the middle of the gas flow area, and the main air outlet channel 115 Both sides are also provided with a first auxiliary air outlet channel 113 and a second auxiliary air outlet channel 114, a preheating device 101 is also provided at the end of the upper chain plate that does not enter the pyrolysis furnace, and a cooling device is provided at the end of the upper layer chain plate leaving the pyrolysis furnace. The device 102, the chain plate conveying assembly includes a chain plate 103 and a telescopic carrier 104 arranged on the chain plate 103, the telescopic carrier 104 can shrink into the space of the chain plate 103 when the upper part is under pressure.

As shown in Figure 3, the quantitative screw conveyor 9 includes a screw extruder, a feed propeller and a driving device. The screw extruder includes a screw shaft 932 driven by a first variable frequency motor 930, and the screw shaft 932 is provided with a screw blade 933, the discharge end of the screw extruder is provided with a sealing plate, and the sealing plate is provided with a discharge hole 94, and the screw extruder is also provided with a feed port 921, which is trumpet-shaped, and the feed port The lower part of 921 is provided with a feed propeller, which includes a feed shaft 922 driven by a second variable frequency motor 920 , and a feed blade 923 is arranged on the feed shaft 922 .

As shown in Fig. 4 and Fig. 5, the belt scale comprises a weighing bracket 513, a belt 514, a controller 510 and a pulley 512, the belt is wound around the pulley 512, and the belt 514 is a rubber belt with ribs, two pulleys 512 A tension wheel 511 is also arranged between them, and a weighing bracket 513 is arranged on the upper part of the supporting belt 514 .

The weighing bracket 513 includes a U-shaped seat 135, the U-shaped seat 135 is provided with a first rib 131, a second rib 132, a third rib 133 and a fourth rib 134, the first rib 131 and the third rib A first side mounting portion is formed between the plates 133, a second side mounting portion is formed between the second rib plate 132 and the fourth rib plate 134, and a horizontal mounting portion is formed between the third rib plate 133 and the fourth rib plate 134. , the first side mounting part and the second side mounting part are equipped with lateral support rollers 138, horizontal support rollers 137 are installed on the horizontal mounting part through the rotating shaft 136, and the lateral support rollers 138 and the horizontal support rollers 137 are arranged There is a weight sensor.

The embodiments are used to illustrate the utility model, but not to limit the utility model. Any person skilled in the art can modify the embodiments without violating the spirit and scope of the utility model, so the protection scope of the utility model should be as listed in the claims of the utility model.

Claims (7)

1. A municipal waste treatment system, characterized in that: it comprises a garbage storage bin (1), which is used to receive the garbage transported by the garbage truck, and the bottom of the garbage storage bin (1) is provided with a screw conveyor, and the outlet of the screw conveyor The material end is connected with a belt conveyor (2), and the belt conveyor (2) is provided with a detection mechanism (4) for detecting and removing metal impurities, and the middle part of the belt conveyor (2) is provided with a detection mechanism (4). The metal output mechanism (3), the lower part of the metal output mechanism (3) is provided with a metal adapter (6), and the end of the belt conveyor (2) is connected with a garbage crushing station (5), after being crushed by the garbage crushing station (5) The garbage enters the belt scale (51), and the lower part of the belt scale (51) is connected with a dryer (7), and the garbage dried by the dryer (7) enters the drying bin (8), and the lower part of the drying bin (8) is provided with a quantitative screw conveyor device (9), the quantitative screw conveyor (9) is connected with the pyrolyzer (10), and the quantitative screw conveyor (9) adjusts the amount of garbage entering the pyrolyzer (10) by changing the rotating speed of the driving device, and then passes through the pyrolyzer (10) The pyrolyzed rubbish is put into the rubbish collection box (11), and transported to the brick factory to be used as raw material for building bricks. 2. A kind of urban garbage disposal system according to claim 1, characterized in that: the garbage crushing station (5) comprises a concrete exterior wall, and a pulverizer is arranged inside the concrete exterior wall, and the pulverizer is a drum pulverizer, and the concrete exterior wall One side of the wall is provided with the discharge port of the rubbish after crushing, and the discharge port is connected with the belt scale (51). 3. A kind of municipal refuse treatment system according to claim 1, characterized in that: the drier (7) comprises a cylindrical shell (75), and the outer side of the cylindrical shell (75) is provided with a heating compartment (74), The heating compartment (74) communicates with the heater and the air pump, and the interior space (73) of the cylindrical housing (75) is provided with a conveying member (72), and the conveying member (72) includes a rotating shaft and teeth arranged on the rotating shaft. Shaped structure, one end of the cylindrical shell (75) is provided with a material inlet (71), and the other end is provided with a material outlet. 4. A kind of municipal waste treatment system according to claim 1, characterized in that: the pyrolyzer (10) comprises a pyrolysis furnace and a chain conveyor assembly, and the chain conveyor assembly passes through the pyrolysis furnace, and the pyrolysis furnace includes Pyrolysis zone (12), pyrolysis zone (12) bottom is provided with isolation zone (13), and the bottom of isolation zone (13) is heating zone, and the upper chain plate of chain plate conveying assembly passes through isolation zone (13) and heating The space between the zones, the top of the pyrolysis zone (12) is a gas flow zone, the gas flow zone includes the first auxiliary air inlet passage (111) and the first auxiliary air outlet passage (112), the auxiliary air inlet passage (111) and the first auxiliary air outlet passage (112). The auxiliary air outlet channel (112) is located on both sides of the gas circulation area, and a main air outlet channel (115) is also arranged in the middle of the gas flow area, and a first auxiliary air outlet channel (113) and a first auxiliary air outlet channel (113) are also arranged on both sides of the main air outlet channel (115). In the second secondary air outlet channel (114), a preheating device (101) is provided at the end of the upper chain plate that does not enter the pyrolysis furnace, and a cooling device (102) is also provided at the end of the upper chain plate leaving the pyrolysis furnace. The assembly includes a chain plate (103) and a telescopic carrier (104) arranged on the chain plate (103). The telescopic carrier (104) can shrink into the space of the chain plate (103) when the upper part is under pressure. 5. A kind of municipal refuse treatment system according to claim 1, characterized in that: the quantitative screw conveyor (9) comprises a screw extruder, a feeding propeller and a driving device, and the screw extruder comprises a first frequency conversion The screw shaft (932) driven by the motor (930), the screw shaft (932) is provided with a screw blade (933), the discharge end of the screw extruder is provided with a sealing plate, and the sealing plate is provided with a discharge hole ( 94), the screw extruder is also provided with a feed inlet (921), the feed inlet (921) is trumpet-shaped, and the lower part of the feed inlet (921) is provided with a feed propeller, and the feed propeller includes a second variable frequency motor (920) a driven feed shaft (922), on which feed blades (923) are arranged. 6. A kind of urban refuse treatment system according to claim 1, is characterized in that: belt scale comprises weighing support (513), belt (514), controller (510) and pulley (512), and belt wraps belt Wheel (512), belt (514) is the rubber belt that has rib, also is provided with tension pulley (511) between two pulleys (512), and weighing support (513) is arranged on support belt (514) The upper part. 7. A municipal waste treatment system according to claim 6, characterized in that: the weighing bracket (513) includes a U-shaped seat (135), and a first rib (131) is arranged on the U-shaped seat (135) , the second rib (132), the third rib (133) and the fourth rib (134), the first side mounting part is formed between the first rib (131) and the third rib (133), The second side installation part is formed between the second rib (132) and the fourth rib (134), the horizontal installation part is formed between the third rib (133) and the fourth rib (134), and the first side Lateral support rollers (138) are installed on the first side mounting portion and the second side mounting portion, and horizontal support rollers (137) are installed on the horizontal mounting portion by rotating shafts (136), lateral support rollers (138) and horizontal support A weight sensor is provided on the roller (137).